11112221202213 has 16 divisors (see below), whose sum is σ = 14831276391360. Its totient is φ = 7400660529024.

The previous prime is 11112221202193. The next prime is 11112221202217. The reversal of 11112221202213 is 31220212221111.

It is not a de Polignac number, because 11112221202213 - 2²¹ = 11112219105061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112221202213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112221202217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11310598 + ... + 12253736.

It is an arithmetic number, because the mean of its divisors is an integer number (926954774460).

Almost surely, 2^{11112221202213} is an apocalyptic number.

It is an amenable number.

11112221202213 is a deficient number, since it is larger than the sum of its proper divisors (3719055189147).

11112221202213 is a wasteful number, since it uses less digits than its factorization.

11112221202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947108.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11112221202213 its reverse (31220212221111), we get a palindrome (42332433423324).

The spelling of 11112221202213 in words is "eleven trillion, one hundred twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred thirteen".